At the same time, we have improved design on the choice of materials and ratio of grouting in order to achieve the intended purpose of seepage-proofing.
同时对注浆材料的选择和配比进行一定的改进设计，以达到预期的防渗目的。
The influence of mixture ratio of grouting material on the pull-out behaviors of rock cable is obvious, which is one of key parameters for the optimal design of prestressed anchorage systems.
注浆体配合比是预应力锚固体系优化设计的关键参数之一，对岩锚抗拔特性影响显著。
The design methods of it are presented, including grouting holes radius and location, material ratio and length of reinforcement bars and holes, inter-relations of them are included too.
介绍注浆和锚固钢筋的设计，包括注浆半径、注浆孔的布置、注浆材料的配和比，以及钢筋和注浆孔的长度及相互间的位置关系。
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